code: def __init__(self, niters, lrate, reg, rmin, rmax):
      self.iter_count = niters
      self.lrate = lrate
      self.reg_term = reg
      self.rmin = rmin
      self.rmax = rmax
  
imports: import logging
  import time
  import pandas
  import numpy
  import numba
  from seedbank import numpy_rng
  from .bias import Bias
  from .mf_common import MFPredictor
  from ..None import util
label_desc: Use image node_id 1 to create a new _Params object  with example: obj = _Params(niters, lrate, reg, rmin, rmax)